. >> ntsb will work with the coast with guard to come up with a report that could take months. the bar pilot who was at the helm at that time passed an alcohol test. but the results of a drug test are pending. the oil tanker empty at the time struck a tower on the bay bridge protected by a system and the structure was not damaged. coast guard says fog doesn't seem to have been a factor. the tanker will remain on hold in the nl the investigation is concluded. >> next step may to the bay to get it further evaluated or repaired. >> the crew will remain on board that ship. now no oil leaked out of the tanker, it's worth mentioning the coast guard classified this as a major marine casualty. as you said damage has exceeded $500,000. i'm live on treasure island abc 7 news. >> and now i team has been digging into the record and our dan noyes got a angry reaction at the bar pilot office today. >> it's part of the job i'm used to heated reactions to investigations. but i never expect simple questions to get physical. >> well we went to the bar pilot office to ask questions one of the bar